3940 results
Causes of Pulmonary Arteriovenous Malformations (AVMs)
Congenital Causes: Hereditary hemorrhagic telangiectasia (HHT), Idiopathic
Acquired Causes: Post surgical, Penetrating
Causes of Pulmonary ... Malformations (AVMs ... ) Congenital Causes ... BrighamChiefs #AVMs ... #differential #
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... Variceal, Cancer, AVM ... PUD, Duodenitis, AVM ... Lower #GIBleed #differential ... #diagnosis #Causes
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Cardiac/Vascular: • AVMs ... #Hemoptysis #Differential ... Diagnosis #pulmonary #causes
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia - Differential ... Intracardiac, Pulmonary AVMs ... Hypoxemia #hypoxia #Differential ... #Diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... gas equation • Causes ... • Most common cause ... (eg, pulmonary AVMs ... Failure #hypoxia #Differential
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... disease Renal Causes ... artery embolism • AVM ... urinary tract) Causes ... #Hematuria #Differential
BATS Mnemonic for Causes of Subarachnoid Hemorrhage (SAH)

B - Berry Aneurysm
A - AVM / ADPKD
T -
BATS Mnemonic for Causes ... Aneurysm A - AVM ... Neurology #Radiology #Differential
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... OTHER RARE CAUSES ... mesothelioma • AVM ... Hemopericardium #Differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... hemorrhage (DAH), AVM ... #Hemoptysis #Differential ... Diagnosis #pulmonary #causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... constipation Differential ... Syringomyelia • Spinal AVM ... Equina #syndrome #differential ... #diagnosis #causes